Question: Who gave the {source of inspiration} of {characters} of {Les Misérables} ?
Paraphrase: Who gave the {source of motivation} of {characters} of {Les Misérables} ?
SPARQL (Wikidata): SELECT ?answer WHERE { wd:Q1193096 wdt:P674 ?X . ?X wdt:P941 ?answer}
Answer: Eugène François Vidocq